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A Flexible Plugin System

, 3 Sep 2008
A generic plugin system used to load and manage plugins
fadd-15373.zip
trunk
dlls
xunit.dll
Examples
Plugins
ExampleApplication.Shared
Properties
ExampleApplication
Properties
ExamplePlugin.Shared
Properties
ExamplePlugin
Properties
Fadd.Globalization.Yaml
fadd.snk
Properties
Tests
fadd
Commands
Net
Tests
fadd.snk
Globalization
Tests
Logging
Plugins
Properties
Tests
Validation
using System;
using System.Collections.Generic;
using System.Text;

namespace Fadd.Logging
{
    /// <summary>
    /// Logger that doesnt log at all.
    /// (Used in classes that got log member var but no logger. 
    /// the option would have been a lot of if statements).
    /// </summary>
    public class NullLogger : ILogger
    {
        /// <summary>
        /// Very detailed log messages, potentially of a high frequency and volume
        /// </summary>
        /// <param name="message">message written to the log.</param>
        public void Trace(string message)
        {
        }

        /// <summary>
        /// Very detailed log messages, potentially of a high frequency and volume
        /// </summary>
        /// <param name="message">message written to the log.</param>
        /// <param name="exception">an exception.</param>
        public void Trace(string message, Exception exception)
        {
        }

        /// <summary>
        /// Less detailed and/or less frequent debugging messages
        /// </summary>
        /// <param name="message">message written to the log.</param>
        public void Debug(string message)
        {
        }

        /// <summary>
        /// Less detailed and/or less frequent debugging messages
        /// </summary>
        /// <param name="message">message written to the log.</param>
        /// <param name="exception">an exception.</param>
        public void Debug(string message, Exception exception)
        {
        }

        /// <summary>
        /// Informational messages
        /// </summary>
        /// <param name="message">message written to the log.</param>
        public void Info(string message)
        {
        }

        /// <summary>
        /// Informational messages
        /// </summary>
        /// <param name="message">message written to the log.</param>
        /// <param name="exception">an exception.</param>
        public void Info(string message, Exception exception)
        {
        }

        /// <summary>
        /// Warnings which don't appear to the user of the application
        /// </summary>
        /// <param name="message">message written to the log.</param>
        public void Warning(string message)
        {
        }

        /// <summary>
        /// Warnings which don't appear to the user of the application
        /// </summary>
        /// <param name="message">message written to the log.</param>
        /// <param name="exception">an exception.</param>
        public void Warning(string message, Exception exception)
        {
        }

        /// <summary>
        /// Error messages
        /// </summary>
        /// <param name="message">message written to the log.</param>
        public void Error(string message)
        {
        }

        /// <summary>
        /// Error messages
        /// </summary>
        /// <param name="message">message written to the log.</param>
        /// <param name="exception">an exception.</param>
        public void Error(string message, Exception exception)
        {
        }

        /// <summary>
        /// Fatal error messages. After a fatal error, the application usually terminates. 
        /// </summary>
        /// <param name="message">message written to the log.</param>
        public void Fatal(string message)
        {
        }

        /// <summary>
        /// Fatal error messages. After a fatal error, the application usually terminates. 
        /// </summary>
        /// <param name="message">message written to the log.</param>
        /// <param name="exception">an exception.</param>
        public void Fatal(string message, Exception exception)
        {
        }
    }
}

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License

This article, along with any associated source code and files, is licensed under The GNU Lesser General Public License (LGPLv3)

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About the Author

jgauffin
Founder Gauffin Interactive AB
Sweden Sweden
Founder of OneTrueError, a .NET service which captures, analyzes and provide possible solutions for exceptions.
 
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